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Samoshkin, A.

Paper Title Page
THPEA042 Engineering Design of a Multipurpose X-band Accelerating Structure 3771
 
  • D. Gudkov, G. Riddone, A. Samoshkin, R. Zennaro
    CERN, Geneva
  • M.M. Dehler, J.-Y. Raguin
    PSI, Villigen
 
 

PSI-XFEL and Elettra-Fermi-require a X-band RF structure. As CLIC is pursuing a program for producing and testing x-band high-gradient RF structures, a collaboration between PSI, Elettra and CERN, has been established to build a multipurpose X-band accelerating structure. This paper focuses on its engineering design which is based on disk-shaped cells bonded together by different technologies (diffusion bonding, vacuum brazing and laser beam welding). The accelerating structure consists of 2 coupler subassemblies and 73 disks, and include wake field monitor waveguides. The engineering study also comprises the external cooling system, consisting of two parallel cooling circuits, and the tuning system, allowing for the fine-tuning by means of cell deformations. The engineering solution for installation and sealing of wake field monitor feed-through devices inside the accelerating structure RF-cavity is also proposed.